stub out new gsuite directory service

src/Core/Core.csproj

@@ -106,6 +106,7 @@
     <Compile Include="Models\ProfileResponse.cs" />
     <Compile Include="Models\TokenResponse.cs" />
     <Compile Include="Services\ApiService.cs" />
+    <Compile Include="Services\GSuiteDirectoryService.cs" />
     <Compile Include="Services\ControllerService.cs" />
     <Compile Include="Services\AzureDirectoryService.cs" />
     <Compile Include="Services\LdapDirectoryService.cs" />

src/Core/Services/GSuiteDirectoryService.cs

@@ -0,0 +1,35 @@
+using Bit.Core.Models;
+using System;
+using System.Threading.Tasks;
+using System.Collections.Generic;
+
+namespace Bit.Core.Services
+{
+    public class GSuiteDirectoryService : IDirectoryService
+    {
+        private static GSuiteDirectoryService _instance;
+
+        private GSuiteDirectoryService()
+        {
+           
+        }
+
+        public static IDirectoryService Instance
+        {
+            get
+            {
+                if(_instance == null)
+                {
+                    _instance = new GSuiteDirectoryService();
+                }
+
+                return _instance;
+            }
+        }
+
+        public Task<Tuple<List<GroupEntry>, List<UserEntry>>> GetEntriesAsync(bool force = false)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

src/Core/Utilities/Sync.cs

@@ -87,6 +87,8 @@ namespace Bit.Core.Utilities
             {
                 case Enums.DirectoryType.AzureActiveDirectory:
                     return AzureDirectoryService.Instance;
+                case Enums.DirectoryType.GSuite:
+                    return GSuiteDirectoryService.Instance;
                 default:
                     return LdapDirectoryService.Instance;
             }